Finding the Fourth Proportional to 240,213.18, 331,488.30 and 132,780.42
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Solution
The fourth proportional to 240,213.18, 331,488.30 and 132,780.42 is: 183,233.72
Step by Step Solution
- Step 1: Write the proportion equation
240,213.18 : 331,488.30 = 132,780.42 : x - Step 2: Convert to fraction form
240,213.18/331,488.30 = 132,780.42/x - Step 3: Cross multiply
240,213.18x = 331,488.30 × 132,780.42 - Step 4: Simplify right side
240,213.18x = 44,015,155,699.09 - Step 5: Solve for x
x = 44,015,155,699.09/240,213.18 - Step 6: Final answer
x = 183,233.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.